1257215265

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{256313}}^1$

素因数の和:256433

約数の個数: 24

約数和(自身を含む): 2199174120

約数和(自身を除く): 941958855

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 256313, 768939, 1281565, 2306817, 3844695, 11534085, 27938117, 83814351, 139690585, 251443053, 419071755, 1257215265]

約数ペア:

[(1, 1257215265), (3, 419071755), (5, 251443053), (9, 139690585), (15, 83814351), (45, 27938117), (109, 11534085), (327, 3844695), (545, 2306817), (981, 1281565), (1635, 768939), (4905, 256313)]